EP0181362A1 - Female elements for electric connector, and method for making them. - Google Patents
Female elements for electric connector, and method for making them.Info
- Publication number
- EP0181362A1 EP0181362A1 EP85902066A EP85902066A EP0181362A1 EP 0181362 A1 EP0181362 A1 EP 0181362A1 EP 85902066 A EP85902066 A EP 85902066A EP 85902066 A EP85902066 A EP 85902066A EP 0181362 A1 EP0181362 A1 EP 0181362A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- supports
- transverse
- connector element
- element according
- cells
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
- H01R13/035—Plated dielectric material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/504—Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged together
Definitions
- an electrical connection generally uses a metal plug and socket. It is
- electrical contact devices are normally used using elastic metallic materials which provide the necessary contact pressure but which are generally not suitable for the small dimensions envisaged in this type of connector, in particular for manufacturing reasons. components as well as assembly using automatic machines.
- elastic metallic materials which provide the necessary contact pressure but which are generally not suitable for the small dimensions envisaged in this type of connector, in particular for manufacturing reasons. components as well as assembly using automatic machines.
- the applicant has already proposed, in FR-A-1 174 063, to use a flat plastic mattress 0, for example made of synthetic rubber, bearing on the one of its flat faces of the copper deposits that are just applied, by a transverse displacement relative caused by external mechanical means, on the flat face of a printed circuit board, in order to ensure contact between the usual conductive tracks of this card and the copper deposits of the elastic mat.
- the object of the invention is to develop a method for manufacturing female electrical connector elements.
- the invention also aims to provide relatively inexpensive electrical connector female elements which can receive plugs of such a diameter and which ensure satisfactory contact pressure with good reliability.
- the invention relates to a method of manufacturing a female connector element
- ⁇ electrical preference intended to cooperate with plugs of diameter / at most equal to 0.3 mm, characterized in that it essentially consists in separately establishing two supports made of insulating material, at least one of which is made of elastic plastic material, by giving these supports transverse profiles such that, when these supports are subsequently assembled to one another the inner face against the inner face, they delimit between them a series of parallel cells opening onto the at least one of the transverse faces of the assembly of the two supports; then coating the inner face of at least one of these supports with at least one metallized track at the location of each cell; and finally to assemble the two supports in the above-mentioned manner.
- this definition of the method does not exclude the use of more than two supports to constitute the same female connector element, provided that each cell is delimited by two such supports, at least one of which is made of elastic plastic. Thanks to this process, it is possible to produce cells whose diameter of the circle inscribed in ' eur' preferably cross section is very small, that is to say / at most equal to 0.3 mm, and whose surface is at least partially metallized in a safe and easily controllable manner since, during manufacture, it is not necessary to penetrate the bath or the metallization jet at the bottom of closed contour cells, which would moreover be practically impossible, but it suffices to distribute it suitably, by means of usual techniques, over the part of the inner face of the support (s) which corresponds to the future location of the cells and which is then entirely free.
- the invention also relates to a female electrical connector element intended to cooperate with plugs preferably of diameter / at most equal to 0.3 mm, essentially characterized in that it is formed by two supports made of insulating material. , at least one of which is made of elastic plastic material and which are assembled to one another the inner face against the inner face, the profiles of these two supports being such that thus assembled, they define between them a series of parallel cells opening on at least one of the transverse faces of the assembly of the two supports, the internal face of at least one of these supports being coated with at least one metallized track at the location of each cell .
- this definition of the female connector element does not exclude the use of more than two such supports for constituting this element.
- each cell with a surface thus partially or totally coated with at least one metallized track it is possible to introduce, by one or each of the abovementioned transverse faces, a practically non-deformable plug whose diameter is slightly greater than the diameter of the circle which fits into the cross section (at rest) of said cell and establish an electrical connection between this plug or these two plugs and the metallized track of the cell, with a pressure due to the deformation of the or each support in elastic plastic material, this deformation being caused by the insertion of the plug (s) in this cell.
- the metallized tracks used according to the invention have thicknesses generally less than 0.1 mm . and having in particular the following values, according to the metal of which they are made:
- copper between 0.01 and 0.08 mm
- nickel between 0.001 and 0.003 mm
- gold between 0.005 and 0.025 mm.
- Figure 1 shows separately, in perspective, two types of supports intended to constitute a female electrical connector element according to a first embodiment of the invention.
- FIG. 2 shows, in profile, a female connector element constituted by the assembly of three supports which are chosen from the two types illustrated in FIG. 1.
- Figures 3 e € 4 show, in section through a plane passing through a series of rings, a connector comprising a female element according to this first embodiment, respectively before and after unilateral plugging.
- FIG. 5 shows, by way of example, the form of metallized tracks deposited on a support, of one of the types illustrated in FIG. 1, shown in perspective.
- Figures 6 and 7 show, by views similar to those of Figures 1 and 2 respectively, on the one hand, two types of supports of a female element of connector established according to a second embodiment of the invention and, on the other hand, this connector element itself.
- Figure 8 shows, in a view similar to that of Figures 2 and 7, a female connector element established according to a third embodiment of the invention.
- FIGS. 9 and 10 each show, in perspective, two supports intended to constitute a female connector element established according to a fourth and a fifth embodiment and shows metallized tracks established according to variants of those of FIG. 5.
- Figures 11, 12 and 13 illustrate the deformation of metallized tracks caused by the insertion of a plug
- Figure 11 being a perspective view corresponding to one of the types of metallized tracks of Figure 9
- the figures 12 and 13 being views respectively in cross section and in longitudinal section corresponding to one of the types of. metallic tracks of figure 10.
- Figure 14 illustrates in perspective a sixth embodiment of the invention applied to a connector for printed circuit boards.
- FIG. 15 represents in perspective a support established according to a variant of FIG. 5.
- FIG. 16 shows in perspective two complementary plugs which can be used with the female connector element of FIG. 2.
- FIGS. 1 to 4 illustrate a first embodiment of the invention.
- insulating supports made of elastic plastic material such as 1 and 2 (FIGS. 1 and 2), roughly in the form of plates, parallel notches 3 are provided, of semi-circular profile for example, in which, before assembly of these supports, metallization (for example copper, gold, or other suitable metal or alloy) is carried out in a known manner, followed, where appropriate, by an electrolytic protective deposit.
- metallization for example copper, gold, or other suitable metal or alloy
- a connector can be made up of three main elements: two similar connector male elements 5 each equipped with parallel plugs 6 and a female connector element 7 provided with cells 4 which open on both sides transverse 14 and 15 and which, in the plugging position / shown in FIG. 4, make it possible to electrically connect the plugs 6 of one of the male connector elements 5 respectively to the aligned plugs 6 of the other male element 5.
- the female connector element 7 can be permanently connected (by gluing, ultrasonic welding or the like) to one (represented at the bottom of FIG. 5) of the male connector elements 5, the other male element 5 (shown at the top of FIG. 4) can be inserted or not at will in case of connection or disconnection.
- the support 1 could be made of elastic plastic, the support 2 then being made of practically rigid plastic.
- the cells 4 could open only on one of the transverse faces, the face 15 (FIG. 3) for example.
- the metallized tracks of these cells could be joined to circuit elements, on one side, by plugs such as 6 and, on the other side, by means other than plugs and such for example as soldered wires.
- the elastic plastic material delimiting totally or partially each cell 4 deforms elastically, as will be explained in more detail below, giving the contact pressure and the electrical connection with the plug is ensured by the metallization deposit produced in this cell.
- FIGS. 1 and 2 show notches 3 having a semi-circular open profile of Q so as to produce, in pairs, cells 4 of circular closed profile. They can also have a shape triangular, like the notches 3a in FIG. 6, or trapezoidal, like the notches 3c in FIG. 9, and in this case being provided either on the two supports as in the case of the insulating support 9 in FIG. 7, or preferably on the only insulating support 9 (FIG. 6) or 9c (FIG. 9), the other support 10 then being plane.
- the female connector element 7 then presents itself either according to FIG. 7 where a support 9, provided with notches 3a on its two faces, is sandwiched between two supports 10 planes, or according to FIG.
- the closed profile of the cell 4 is identical to the open profile of the triangular notch 3a or trapezoidal 3c. As explained below, this triangular or trapezoidal shape makes it possible to obtain the tightening of a plug such as 6 on three generatrices.
- the non-notched supports 10 can be made either also of elastic plastic material, or preferably of non-elastic plastic material .
- the deformation of the plastic material is small, it is advantageous, to increase reliability, to carry out the metal deposition in each cell 4 not on the entire surface of the cell, but according to relatively narrow metallized tracks capable of 'ensure electrical continuity from one end to the other of the cell.
- notches 3 of semi-circular profile formed in a support 2 of elastic plastic material it is possible for example, as shown in FIG. 5, to have recourse to metallized tracks 8 arranged along the generatrices (rectilinear) of the surface semi-cylindrical 1 0 the notch 3 or metallized tracks 8a arranged parallel to each other according to sinuous paths
- the metallized tracks can, according to a first solution illustrated in FIG. 9, be provided only on this flat support 10, whether the latter is made of elastic plastic material or almost rigid.
- FIG. 9 illustrates three possible forms for such metallized tracks: rectilinear tracks 11, tracks 16 in the form of a comb with teeth 17 and tracks 18 in the form of scales with transverse bars 1 and uprights 19a.
- FIG. 11 illustrates the deformation of a metallized track 16 in the form of a comb of FIG. 9 which is formed from one end to the other of a cell 4 on a support 10 of elastic plastic material, so that the track continuous 16a, constituting the back of the comb, is offset laterally relative to the center of the cell. It can then be seen that the plug only touches the teeth 17 and that consequently the deformation caused on the support 10 by the insertion of a plug 6, is located on these teeth 17 and does not concern the continuous track 16a. There is therefore no risk of it being worn by friction, or of being chipped by the deformation of the support 10. The same effect is obtained with the metallized tracks ⁇ Q in the form of a scale in FIG. 9, each of the uprights 19a of the ladder comprising the continuous metallic track 16a of FIG. 11.
- the metallized tracks such as 11, 16 and 18 could be provided on a flat support which is no longer elastic but relatively rigid. the insertion of the plug 6 then causing the deformation of the support 9c with notches 3c. In any case, not being metallized, these notches 3c of the support 9c only serve to transmit the pressure of the plug 6 against the metallized tracks of the other support 10.
- the elastic plastic it is possible to provide, in the notches such as 3, 3a and 3c, whether they are of semi-circular, triangular or polygonal profile, longitudinal or transverse bosses on which a metallization is deposited and, among other things, grooves or ribs parallel or perpendicular to the axis of the cell, or even inclined with respect to this axis, and obtained, during the molding of the support of insulating material, by the use of mandrels in which have been pra ⁇ ticked grooves, these being parallel, perpen ⁇ dicular or inclined relative to the axis and corresponding to the above grooves or ribs.
- a support 9c has been shown, the cells 3c of which have transverse bosses 20 which carry the only metallized tracks 21 with which the plugs come into contact 6.
- the transverse metallized tracks 21 are electrically joined together by a longitudinal metallized track 22, formed at the bottom of the trapezoidal notch 3c, which is thus thus removed from the risks of wear by friction and flaking by repeated deformations, like the longitudinal track 16a of the figures 9 and 11.
- tracks 21 and 22 are shown similar to those of the right side, the only difference being the absence of bosses such as 20.
- the insertion of a plug such as 6 causes deformation of each transverse track 21 as shown in FIG. 12, without deformation of the longitudinal runway 22.
- the presence of the recesses between bosses 20 (FIG. 10) or of a central recess 24 (see FIG. 13) has the advantage that the transverse tracks 21 deform independently of each other, which prevents local deformations due to the insertion of a first plug 6 (see on the right of FIGS. 10 and 13) on one of the transverse faces 14 of the female connector element 7. to propagate towards the other transverse face 15 and to disturb accordingly the contact when a second plug is inserted by the other transverse face 15.
- each of the insulating material supports constitutes an element specially made for the female connector element.
- one of the supports in particular when it is a flat support made of practically non-deformable insulating material, may be part of an electrical or electronic component, such as a printed circuit board.
- Figure 14 there is shown the application of the invention to the connection between a motherboard 27 and a daughter card 25 provided, on at least one of its edges, metallized connection tracks 26 It then suffices to adapt to the motherboard 27 a male connector element 5 of the type shown in FIGS. 3 and 4 and to use the daughter card 25 as a substantially rigid planar support, similar to those designated by 10 in FIGS. 6, 1, 8 and 9.
- aT.ors is reported on the daughter card 25 of the notched ports, such as that designated by 9c in FIG. 9, making their notches * 3c coincide with tracks 26, which then play the role of tracks 11 in FIG. 9.
- the invention also provides for the use of insulating plastic (elastometer, thermoplastic or other material) to give contact pressure to the adjoining parts of two plugs 12, 13, housed end to end in overlapping in one cell 4 whose diameter at rest is less than the diameter of the adjoining parts of these sheets.
- the two non-deformable plugs 12 and 13 have circular profiles of the same diameter D and end in co-complementary profiles, for example semi-circular, which can be joined and which together form a circular profile of diameter D, this diameter being greater than the diameter d at rest (see FIG. 2) of the cell 4.
- one of the supports is made of non-elastic material, it allows the sheets 6 to be centered more precisely than if it were made of elastic material.
- the sheets 6, 12 and 13 can be of round, rectangular or polygonal section without changing the spirit of the invention. They can be made of a machined metal rod or the bare end of a conductive wire. In the case of a machined metal rod, these sheets are preferably coated with an electrolytic protection (nickel plus gold, for example).
- an electrolytic protection nickel plus gold, for example.
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
Le connecteur est formé d'au moins deux supports (1, 2) en matière isolante dont l'un au moins est en matière plastique élastique et qui sont assemblés l'un à l'autre face intérieure contre face intérieure. Les profils de ces deux supports (1, 2) sont tels qu'ainsi assemblés, ils délimitent entre eux une série d'alvéoles (4) s'ouvrant sur l'une ou moins des faces transversales de l'ensemble (7) des deux supports. La face intérieure de l'un au moins de ces supports est revêtue d'au moins une piste métallisée à l'emplacement de chaque alvéole (4).The connector is formed of at least two supports (1, 2) made of insulating material, at least one of which is made of elastic plastic material and which are assembled to one another, interior face against interior face. The profiles of these two supports (1, 2) are such that thus assembled, they delimit between them a series of cells (4) opening on one or less of the transverse faces of the set (7) of two brackets. The inner face of at least one of these supports is coated with at least one metallized track at the location of each cell (4).
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8407045A FR2563948B1 (en) | 1984-05-07 | 1984-05-07 | IMPROVEMENTS ON ELECTRICAL CONNECTORS AND MANUFACTURING METHODS THEREOF |
FR8407045 | 1984-05-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0181362A1 true EP0181362A1 (en) | 1986-05-21 |
EP0181362B1 EP0181362B1 (en) | 1988-05-18 |
Family
ID=9303742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85902066A Expired EP0181362B1 (en) | 1984-05-07 | 1985-05-06 | Female elements for electric connector, and method for making them |
Country Status (5)
Country | Link |
---|---|
US (1) | US4705336A (en) |
EP (1) | EP0181362B1 (en) |
DE (1) | DE3562845D1 (en) |
FR (1) | FR2563948B1 (en) |
WO (1) | WO1985005229A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3806793A1 (en) * | 1988-02-29 | 1989-09-07 | Siemens Ag | ADAPTER DEVICE FOR A DEVICE FOR CHECKING CIRCUIT BOARDS |
US5153818A (en) * | 1990-04-20 | 1992-10-06 | Rohm Co., Ltd. | Ic memory card with an anisotropic conductive rubber interconnector |
US5190472A (en) * | 1992-03-24 | 1993-03-02 | W. L. Gore & Associates, Inc. | Miniaturized high-density coaxial connector system with staggered grouper modules |
DE19823509C1 (en) * | 1998-05-26 | 1999-11-18 | Framatome Connectors Int | Clamping connection between a connection wire and a U-shaped receiving member |
US6106326A (en) * | 1998-05-27 | 2000-08-22 | Framatome Connectors Interlock, Inc. | Electrical connector with contact retaining module formed from reverse alternating modular frame pieces |
JP4041619B2 (en) * | 1999-05-28 | 2008-01-30 | 東京エレクトロン株式会社 | Interconnector manufacturing method |
DE102013201167A1 (en) * | 2013-01-24 | 2014-08-07 | Elringklinger Ag | A method of making an electrically conductive connection between an electrical lead and an electrically conductive member and assembly manufactured by the method |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB589290A (en) * | 1944-07-10 | 1947-06-17 | Adel Prec Products Corp | Electric conduit supporting and bonding block |
FR1174063A (en) * | 1957-03-30 | 1959-03-05 | Electrical terminal couplers | |
US3562699A (en) * | 1967-06-02 | 1971-02-09 | Ericsson Telefon Ab L M | Electric contact and base plate assembly |
US4217155A (en) * | 1975-09-12 | 1980-08-12 | Amp Incorporated | Multi-pair cable having low crosstalk |
JPS583343B2 (en) * | 1976-06-14 | 1983-01-20 | 信越ポリマ−株式会社 | interconnector |
JPS55132408A (en) * | 1979-03-30 | 1980-10-15 | Shinetsu Polymer Co | Socket type connector |
DE3024213C2 (en) * | 1980-06-27 | 1982-09-02 | Vdo Adolf Schindling Ag, 6000 Frankfurt | Process for the production of conductor tracks applied to a carrier |
-
1984
- 1984-05-07 FR FR8407045A patent/FR2563948B1/en not_active Expired
-
1985
- 1985-05-06 DE DE8585902066T patent/DE3562845D1/en not_active Expired
- 1985-05-06 EP EP85902066A patent/EP0181362B1/en not_active Expired
- 1985-05-06 US US06/814,963 patent/US4705336A/en not_active Expired - Lifetime
- 1985-05-06 WO PCT/FR1985/000108 patent/WO1985005229A1/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO8505229A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR2563948B1 (en) | 1987-07-17 |
DE3562845D1 (en) | 1988-06-23 |
FR2563948A1 (en) | 1985-11-08 |
EP0181362B1 (en) | 1988-05-18 |
WO1985005229A1 (en) | 1985-11-21 |
US4705336A (en) | 1987-11-10 |
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